Shock absorbing apparatus for tow couplers

Details Shock absorbing apparatus for tow couplers Shock absorbing apparatus for tow couplers

1993-11-30

1995-06-06

Hill, Mitchell J.

Land vehicles

Wheeled

Articulated vehicle

280482, 2804912, B60D 1167, B60D 132

Patent

active

054215994

ABSTRACT:
The invention discloses a telescoping shock absorbing apparatus which uses a pair of square tubular members with a rod disposed interiorly and axially within one of the members for transmitting towing force. Two springs are disposed over and connected to the rod and square members to absorb shock resulting from differential movement that would otherwise be transmitted between the two vehicles. The towing vehicle experiences hardly any shock through the connection to a towed vehicle, substantially improving the operating conditions for both vehicles. The disclosure shows how this apparatus may be used on various conventional tow bars and shows how existing folding tow couplers can be improved through the use of the apparatus.

REFERENCES:
patent: 1447146 (1923-02-01), Novak
patent: 2585768 (1952-02-01), Ham
patent: 2709604 (1955-05-01), Hartman
patent: 2729467 (1956-01-01), Reese
patent: 2783039 (1957-02-01), Wilson
patent: 4258930 (1981-03-01), Hess
patent: 4611821 (1986-09-01), Jeanson et al.

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